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Finding the Fourth Proportional to 23,589.96, 32,555 and 12,979.32

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Solution

The fourth proportional to 23,589.96, 32,555 and 12,979.32 is: 17,911.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,589.96 : 32,555 = 12,979.32 : x
  2. Step 2: Convert to fraction form
    23,589.96/32,555 = 12,979.32/x
  3. Step 3: Cross multiply
    23,589.96x = 32,555 × 12,979.32
  4. Step 4: Simplify right side
    23,589.96x = 422,541,762.60
  5. Step 5: Solve for x
    x = 422,541,762.60/23,589.96
  6. Step 6: Final answer
    x = 17,911.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.